Poor fuel quality. Incomplete combustion and lack of sealing between piston and cylinder wall or badly losing valves. Possibly incorrect engine timing / set up.
燃油品质差，不完全燃烧和活塞与气缸壁之间的密封性差。 。
Firefox determines that a script is long-running by timing how long the script engine has been executing code continuously.
Firefox是根据脚本引擎持续执行代码的时间来判断一段脚本是否失控。
The engine can be configured to generate instances of business processes using a variety of statistical distributions for input data and for timing.
可以对该引擎进行配置，使用各种统计分配方式生成业务流程实例来输入数据和定时。
It is especially suited for engine protection, sequenced operations, and critical timing applications.
它尤其适合于发动机的保护，测序行动，和关键时机的申请。
He adjusted the timing of a car's engine.
他调整了汽车引擎的定时。
In this system the crankshaft rotating Angle, where the peak combustion pressure occurs, is taken to be a feed back signal, so that the ignition timing of the engine is able to be controlled.
该控制系统利用最高燃烧压力点的曲轴转角作为反馈信号，实现其对发动机点火正时的控制。
When you animate objects in WPF, it's the timing engine that manages your animations.
当您在WPF中显示物件动画时，实际上是计时引擎在管理您的动画。
Electromagnetic control valve actuation is a new kind of variable valve timing technology. It can offer more advantages than general camshaft valve actuation when used in the engine.
电磁控制进排气门是一种新型的可变配气相位技术，在发动机上以电磁驱动气门比传统的凸轮驱动方式具有更大的优越性。
Once the engine is started, timing indicators and the digital panel light up, demonstrating Lexus′ innovative technology.
每当发动机启动，计时指标与数字盘会先后亮起，人性化科技理念展露无遗。
That the optimum fuel injection timing corresponding to one operating mode of engine is determined by adjusting the solenoid valve can improve economy and power, and lower the emissions of engine.
这样通过调节电磁阀就可以实现发动机在不同工况下有最佳的供油提前角与之匹配，从而达到改善发动机经济性和动力性并降低废气排放之目的。
Engine using variable valve timing technology can improve the intake charge, so that coefficient of charge increase, engine torque and power can be further improved.
发动机采用可变气门正时技术可以提高进气充量，使充量系数增加，发动机的扭矩和功率可以得到进一步的提高。
But because of reduced injection timing and increased exhaust back pressure, the BSFC of the engine will be increased of 8%.
但由于提前角减小，排气背压增大，发动机燃油消耗率上升8%左右。
The identification of combustion timing of diesel engine is an important role on control of diesel engine characteristic and fault diagnosis.
柴油发动机燃烧时刻的辨识对于控制柴油机性能、故障诊断是一个重要的环节。
The gasket fit between the engine's chain case and the engine block and covered the timing frame.
该垫圈安装在引擎链盒和发动机组之间，由计时框架覆盖。
The Optimization of matching the combustion system with valve timing of an engine is studied with the multi goals optimizing theory.
采用多目标优化设计理论，研究发动机燃烧系统和配气机构匹配优化设计问题。
The timing engine tracks the progression of time and computes the state of each animation.
计时引擎会追踪时间的进度，并计算每个动画的状态。
The effects of converter position, ignition timing and idle speed on catalytic converter light-off behavior were studied on an electronically controlled LPG injection engine.
研究了电控LPG发动机的催化转化器安装位置、点火提前角和怠速转速对催化转化器快速起燃的影响。
Variable valve train enables the engine to achieve the best valve timing at a very high speed and load. Thus the performance of the engine can be improved.
配气可变机构可使发动机在较高转速和全负荷范围都能得到最佳配气，因而改善了发动机性能。
Effects of fuel injection timing on combustion and emission characteristics of a single-cylinder diesel engine fuelled with diesel and diesel-propane blends were studied.
在一台单缸直喷式柴油机上开展了不同喷油提前角下燃用柴油和柴油-丙烷混合燃料时的燃烧和排放特性研究。
A flaming Angle measuring system for closed-loop ignition timing control of petrol engines is outlined in this paper, and an experimental example on a BJ492Q petrol engine is provided.
介绍了一种用于汽油机点火正时闭环控制的火焰信号角测量系统，并在BJ 492 Q型汽油机上作了实例试验分析。
The injection pressure, timing, duration and rate depend on the engine speed and load.
喷油压力、喷油始点、喷油持续角和喷油率均取决于柴油机转速和负荷。
By the experiment research on road running test of timing bushing chains for automotive engine, its wear mechanism and the worn surface of pins and bushings were analyzed.
通过道路试验研究，分析了汽车正时套筒链的磨损机制及销轴和套筒的磨损表面形貌。
Earlier engine control systems mainly based on mass air flow, fuel quality and Spark Timing.
早期的控制系统主要是以气缸充气量、燃油质量和点火正时为控制参数。
Meanwhile, because the ignition timing can be adjusted, the power performance and the economic performance of the engine can obtain the optimum.
同时由于可调节点火正时，能使发动机的动力性和经济性达到最佳。
The wrapping speed is controlled by the engine with electrical magnetism timing. It can regulate in a large scale.
包覆速度使用电磁调速电机控制，可在较大的范围内调整。
The design of a rocker arm with low rotating inertia is one of the important development trends of the valve timing system structural design for a modern high -speed internal combustion engine.
低转动惯量摇臂的设计是近代高速内燃机配气系统结构设计的重要发展趋势之一。
During design of the layout on diesel engine, we performed one-dimensional flow calculation for turbocharger systems, optimized the valve timing and pre-selected the turbocharger.
在柴油机方案设计时，对涡轮增压系统进行了一维流动计算，优化了气门正时，并预选了增压器方案。采用已知的同类机型的放热率进行了缸内过程的计算。
Measuring and analyzing the cylinder pressure of the diesel engine is import to improve the diesel engine performance, control the injecting timing , condition monitor and fault diagnosis.
柴油机气缸压力的测量和分析对于改善内燃机的工作性能、进行柴油机最优点火和喷油时刻控制，排放控制以及状态监测和故障诊断都具有很重要的作用。
A variable valve timing mechanism has been developed. Its structure, operating principle and practical effects on the engine and vehicle performances are also presented.
提出一种可变配气相位机构，并介绍它的结构、工作原理以及为发动机和整车带来的实际效果。
There will be two four-cylinder engine choices on offer: one is a 1.5-liter unit with variable valve timing and either a four-speed automatic or a five-speed manual transmission.
该车可提供两种引擎以供选择，一种是1.5升可变气门正时引擎配备四速自动或五速手动变速器。
应用推荐